Add cross-cluster search documentation (opensearch-project#4226)

* Add cross-cluster search documentation Signed-off-by: Fanit Kolchina <[email protected]> * Update _observing-your-data/cross-cluster-replication.md Co-authored-by: Melissa Vagi <[email protected]> Signed-off-by: kolchfa-aws <[email protected]> --------- Signed-off-by: Fanit Kolchina <[email protected]> Signed-off-by: kolchfa-aws <[email protected]> Co-authored-by: Melissa Vagi <[email protected]>
harshavamsi · Oct 31, 2023 · 98dd824 · 98dd824
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+---
+layout: default
+title: Cross-cluster search
+nav_order: 140
+---
+
+# Cross-cluster search
+
+With cross-cluster search, you can query and visualize data stored in multiple OpenSearch clusters using the Logs feature in Observability. This works across domain boundaries, so you can query data from any index, in any OpenSearch cluster, from a single interface and perform the same operations against the data as if it came from a single source.
+
+For detailed documentation, including configuration, usage, and authentication, see [Cross-cluster search](https://github.com/opensearch-project/sql/blob/main/docs/user/ppl/admin/cross_cluster_search.rst).